The Art Zone from the National Gallery of Art has wonderful online interactive art activities. Try it out.

Mr. Picasso Head lets you create a piece of art and sign it just like Picasso.

Incredible Art Lessons is full of lesson ideas for your art classroom.

- Art games and basic art activities that can be used as bell-ringers (warm vs. coll and famous artist match).
- Activities related to choosing primary and secondary colors. Also has the artwork "The Bedroom" by Vincent Van Gogh. Created by Lee Ann Blevins for grades K-3.
- Introduction to lines, shapes, and colors. Also shows art elements and principles. Created by Lee Ann Blevins for grades 3-5.